Universal dc input expansion block specifications – Rockwell Automation 1790-TXXXX Digital Expansion Terminal Block Compact Block LDX I/O User Manual
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Publication 1790-IN005B-EN-P - April 2003
Universal DC Input Expansion Block Specifications
DC Input/Output Combination Expansion Block Specifications
1790-T16BVOX
Inputs per expansion block
16 points, sinking or sourcing
On-state voltage
9.6V dc minimum
24V dc nominal
28.8V dc maximum
Off-state voltage
5.0V dc maximum
On-state current
8mA maximum per channel @ 28.8V dc
Nominal input impedance
4.8K
Ω
Input signal delay
Off to On: 10ms maximum
On to Off: 10ms maximum
Indicators
16 green input status
Common type
8 points/2COM (non-polarity)
General Specifications
Isolation
I/O to logic: photocoupler isolation
Isolation voltage: 1250V ac rms
DeviceNet to logic: non-isolated
DeviceNet power: non-isolated
Wiring
Terminal block (M3.0)
- screw torque: 7 inch-pounds
maximum (use copper or copper-clad
aluminum conductors
Field Power
Power dissipation - 3.68W maximum @ 28.8V dc
1790-T8BV8VX, -T8BV8BX
INPUT SPECIFICATIONS
Inputs per expansion block
8 points non-isolated, sinking or sourcing
On-state voltage
9.6V dc minimum
24V dc nominal
28.8V dc maximum
On-state current
8mA maximum per point @ 28.8V dc
Off-state voltage
5V dc maximum